The Impact of Cancer Treatment on the Body and Mind Forward arrow iconAn arrowing pointing forward, usually indicating forward movement, or the ability the share something via social media. Close iconAn icon showing an uppercase letter "X", indicating that this will close the current element. Share Facebook iconAn icon representing the Facebook social media site. Twitter iconAn icon representing the Twitter social media site. LinkedIn iconAn icon representing the social media service LinkedIn. Printer iconAn icon showing a printer, indicating the ability to print the associated media. Print Video12:00A person’s ability to perform everyday tasks can change as a result of cancer treatment. Timothy Ahles, a behavioral psychologist at Memorial Sloan Kettering Cancer Center, explains the impact that cancer treatment can have on the body and mind.